Finding the Fourth Proportional to 1,436,454.80, 1,982,313.62 and 791,860.85
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Solution
The fourth proportional to 1,436,454.80, 1,982,313.62 and 791,860.85 is: 1,092,771.28
Step by Step Solution
- Step 1: Write the proportion equation
1,436,454.80 : 1,982,313.62 = 791,860.85 : x - Step 2: Convert to fraction form
1,436,454.80/1,982,313.62 = 791,860.85/x - Step 3: Cross multiply
1,436,454.80x = 1,982,313.62 × 791,860.85 - Step 4: Simplify right side
1,436,454.80x = 1,569,716,549,086.28 - Step 5: Solve for x
x = 1,569,716,549,086.28/1,436,454.80 - Step 6: Final answer
x = 1,092,771.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.